Flora of North America species comparison

petioles 10–30 mm;

blades lanceolate to lance-linear overall, 30–80(–150) × 10–30(–50) mm, usually laciniately pinnatisect, primary lobes 3–7+, 15–60+ × 2–20 mm, bases cuneate, ultimate margins laciniate to serrate, ciliate, apices acuminate, faces glabrous or sparsely scabrellous.

petioles 10–40(–60) mm;

blades deltate to lance-ovate overall, 30–80(–150+) × 20–60(–100+) mm, 3(–5)-foliolate, leaflets petiolulate, lanceolate to lance-ovate, (15–)35–60(–120) × (5–)10–20(–30) mm, bases cuneate, margins dentate to serrate, sometimes ciliate, apices acuminate to attenuate, faces glabrous or hirtellous.

(10–)30–80+ mm.

10–40(–80+) mm.

± hemispheric or broader, 6–8(–12) × 10–15 mm.

campanulate to hemispheric or broader, 6–9 × 7–12 mm.

(5–)8–10+;

laminae yellow, 10–25 mm.

0 or 1–3+;

laminae golden yellow, 2–3.5 mm.

(12–)20–40+;

corollas yellowish, 2–3+ mm.

20–60(–120+);

corollas ± orange, 2.5–3+ mm.

7–8(–13), lance-ovate to lance-linear, 6–8(–12) mm.

6–12, oblong or ovate to lance-ovate, 5–9 mm.

of 8–12(–16) usually spreading to reflexed, linear, seldom foliaceous bractlets (4–)5–7(–12) mm, margins entire, ciliate, abaxial faces glabrous or ± scabrellous.

of (5–)8(–10) ascending to spreading, spatulate or oblanceolate to linear, sometimes ± foliaceous bractlets or bracts 5–20(–60) mm, margins usually ciliate, abaxial faces glabrous or hirtellous.

in ± corymbiform arrays.

usually borne singly, sometimes in 2s or 3s or in open, corymbiform arrays.

red-brown to blackish, ± flattened (unequally 3–4-angled), broadly cuneate, outer (4–)5–6 mm, inner 5–7 mm (lengths mostly 1.5–2.5 times widths), margins (± corky-winged) patently to antrorsely barbed, apices truncate to concave, faces weakly striate, sometimes tuberculate, glabrous or sparsely strigillose;

pappi 0, or of 2(–4) spreading to divergent, antrorsely or retrorsely barbed awns (0.5–)2–4(–6) mm.

blackish to brown or stramineous, ± obcompressed, obovate to cuneate, outer 5–7 mm, inner 7–10 mm, margins antrorsely or retrorsely barbed, apices ± truncate to concave, faces usually 1-nerved, sometimes tuberculate, glabrous or sparsely hirtellous;

pappi of 2 ± erect to spreading, antrorsely or retrorsely barbed awns 2–5 mm.

= 24, 48, 72.